Home / 126,379.16-174,361.22-83,380.00

Finding the Fourth Proportional to 126,379.16, 174,361.22 and 83,380.00

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Solution

The fourth proportional to 126,379.16, 174,361.22 and 83,380.00 is: 115,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,379.16 : 174,361.22 = 83,380.00 : x
  2. Step 2: Convert to fraction form
    126,379.16/174,361.22 = 83,380.00/x
  3. Step 3: Cross multiply
    126,379.16x = 174,361.22 × 83,380.00
  4. Step 4: Simplify right side
    126,379.16x = 14,538,239,059.27
  5. Step 5: Solve for x
    x = 14,538,239,059.27/126,379.16
  6. Step 6: Final answer
    x = 115,036.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.